Vocabulary Words Plate Tectonics Tectonic plate Lithosphere Asthenosphere Fault Diverging center Converging center mid-ocean ridge subduction hot spot sliding boundary epicenter focus or foci elastic rebound theory S- waves P-waves Compressional waves Shadow zone Moho Rift valley spreading center Dike Sill convection currents magnetism/polarity Fold deep sea trench tephra law of cross cutting Earthquake primary waves secondary waves shear waves Seisomogram seismograph time travel graph Richter scale ... ** Be able to identify whether a plate is continental or oceanic; give relative densities and know which plate would subduct at converging centers ** Be able to identify high frequency locations for volcanoes, earthquakes and plate ...
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